president obama, folks, president obama may be the democrats mlk but marco rubio is the republicans ellen ginsburg on payote. that's why rubio is so important to republicans. he is the only one who can speak directly to la hencehispania or as it would be transscriend bruce hannah. for seniors. at but it hint that it would lot of leprosy and the bush. [cheers and applause] and for students buried with loan debt sort of of course the human feces predicament to which we have been championed. [cheers and applause] and for all of you unemployed fret not because slope this young donovan's ripples if i had the muscles. i mean what -- what better vision for america? marco rubio truly is the g.o.p. savior. i can already see his campaign slogan for 2016 marco rubio hop along blurc>> stephen: welcome , everybody. my guest tonight made a new documentary called sound city. now he's about to sit down at the studios and record some of the greatest interviews. please welcome dave grohl. [cheers and applause] hey, dave. nice to see you again. >> good to see you. >> stephen: how are you been? last time you